krtc.cn - robtex.com
krtc.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 166.75.128.72🇨🇱 UNSPECIFIED160.0.0.0/3 | ||||||
| NS | ns1.julydns.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.julydns.commaster@jmdns.com serial=1781761845 | ||||||
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2035025865 | ||||||
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.judns.com2026-05-18 → 2026-07-10 · 3 obs
● 2026-05-18 19:02:36
● 2026-07-10 15:34:20
●NSns1.julydns.com2026-05-18 → 2026-07-10 · 3 obs
● 2026-05-18 19:02:36
● 2026-07-10 15:34:20
○NSns13.xincache.com2015-08-20 → 2020-02-24 · 4 obs
● 2020-02-24 15:06:04
○ 2026-05-18 19:02:36
○ 2026-07-10 15:34:20
○NSns14.xincache.com2015-08-20 → 2020-02-24 · 4 obs
● 2020-02-24 15:06:04
○ 2026-05-18 19:02:36
○ 2026-07-10 15:34:20
●NSns2.judns.com2026-05-18 → 2026-07-10 · 3 obs
● 2026-05-18 19:02:36
● 2026-07-10 15:34:20
●NSns2.julydns.com2026-05-18 → 2026-07-10 · 3 obs
● 2026-05-18 19:02:36
● 2026-07-10 15:34:20
○A160.124.219.1742026-05-18 → 2026-06-14 · 5 obs
● 2026-05-18 19:02:36
● 2026-06-14 09:43:22
○ 2026-07-08 10:24:34
○ 2026-07-10 15:34:20
●A166.75.128.722026-07-08 → 2026-07-10 · 3 obs
● 2026-07-08 10:24:34
● 2026-07-10 15:34:20
○A42.121.16.1282015-08-20 → 2016-07-12 · 4 obs
● 2016-07-12 10:30:32
○ 2017-03-20 20:17:18
○ 2026-07-10 15:34:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| krtc.cn | ns1.judns.com, ns2.judns.com | - |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for krtc.cn (unsigned zone)
⏱️ Timing
Total: 949ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 166.75.128.72 |
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
| SOA | 1 | ns1.julydns.com master.jmdns.com |
Analysis
IP Addresses
krtc.cn has exactly one IP address — 166.75.128.72.
Among the host names that share IP numbers with krtc.cn is hangzhouzhibeizhen.com, as one example.
Name Servers
Four name servers handle the delegation for krtc.cn: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
The name servers of krtc.cn overlap at least partially with those of other domains — among them c0fcj8.cn, k-tuo.cn, ssxcyjt.com and two more.
These name servers commonly appear alongside the name servers ns1.onclouddns.com and ns2.onclouddns.com.
ns1.judns.com and ns2.judns.com share the IP address 162.159.27.251; ns1.julydns.com and ns2.julydns.com share the IP address 162.159.48.223.
ns1.judns.com and ns2.judns.com each have 162.159.27.251 IP addresses.
ns1.julydns.com and ns2.julydns.com each have 162.159.48.223 IP addresses.